package wh.bos.web.action.base;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;


import wh.bos.domain.base.Area;
import wh.bos.service.base.AreaService;
import wh.bos.utils.PinYin4jUtils;
import wh.bos.web.action.BaseAction;

@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototype")
public class AreaAction extends BaseAction<Area>{

	@Autowired
	private AreaService areaService;
	private File file;
	
	public void setFile(File file) {
		this.file = file;
	}
	
	//移除区域
	
	
	//添加和修改区域
	@Action(value="area_save",results={@Result(name="success",type="redirect",
			location="./pages/base/area.html")})
	public String save(){
		areaService.area_save(model);
		return SUCCESS;
		
	}
	//分页查询区域
	@Action(value="area_pageQuery",results={@Result(name="success",type="json")})
	public String area_pageQuery(){
		Specification<Area> specification = new Specification<Area>() {
			@Override
			public Predicate toPredicate(Root<Area> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				List<Predicate> list = new ArrayList<>();
				if (StringUtils.isNotBlank(model.getProvince())) {
					Predicate p1 = cb.like(root.get("province").as(String.class), "%"+model.getProvince()+"%");
					list.add(p1);
				}
				if (StringUtils.isNotBlank(model.getCity())) {
					Predicate p2 = cb.like(root.get("city").as(String.class), "%"+model.getCity()+"%");
					list.add(p2);
				}
				if (StringUtils.isNoneBlank(model.getDistrict())) {
					Predicate p3 = cb.like(root.get("district").as(String.class), "%"+model.getDistrict()+"%");
					list.add(p3);
				}
				
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		Pageable pageable = new PageRequest(page-1, rows);
		Page<Area> PageData = areaService.findPageDate(specification,pageable);
		pushPageDateToValueStack(PageData);
		return SUCCESS;
		
	}
	
	//导入
	@Action(value="area_batchImport")
	public String area_batchImport() throws IOException{
		List<Area> areas = new ArrayList<>();
		HSSFWorkbook hssfWorkbook = new HSSFWorkbook(new FileInputStream(file));
		HSSFSheet sheet = hssfWorkbook.getSheetAt(0);
		for (Row row : sheet) {
			if (row.getRowNum() == 0) {
				continue;
			}
			if (row.getCell(0) == null || 
					StringUtils.isBlank(row.getCell(0).getStringCellValue())) {
				continue;
			}
			Area area = new Area();
			area.setId(row.getCell(0).getStringCellValue());
			area.setProvince(row.getCell(1).getStringCellValue());
			area.setCity(row.getCell(2).getStringCellValue());
			area.setDistrict(row.getCell(3).getStringCellValue());
			area.setPostcode(row.getCell(4).getStringCellValue());
			
			//基于pinyin4j生成城市编码和简码
			String province = area.getProvince();
			String city = area.getCity();
			String district = area.getDistrict();
			province = province.substring(0, province.length()-1);
			city = city.substring(0, city.length()-1);
			district = district.substring(0, district.length()-1);
			//城市编码
			String[] headArr = PinYin4jUtils.getHeadByString(province+city+district);
			StringBuffer stringBuffer = new StringBuffer();
			for (String string : headArr) {
				stringBuffer.append(string);
			}
			String shortcode = stringBuffer.toString();
			area.setShortcode(shortcode);
			//城市编码
			String citycode = PinYin4jUtils.hanziToPinyin(city, "");
			area.setCitycode(citycode);
			
			areas.add(area);
		}
		areaService.save(areas);
		return NONE;
		
	}
	
}
